<!DOCTYPE html>
<html >
<head>
    <meta charset="UTF-8">
    <title>阶乘递归</title>
</head>
<body>


<script>

    function x(n){
        if (n === 1){
            return 1;
        }else {
            return n * x(n-1);
        }
    }
    console.log(x(5));


</script>

</body>
</html>